14. TIGHTEN FOUR HOUSING BOLTS (a) Clamp the rear housing in a vise. CAUTION: Do not tighten the vise too tight. (b) Tighten the four housing bolts evenly in 3 or 4 passes. Torque: 475 kg·cm (34 ft·lb, 47 N·m) 15. INSTALL RESERVOIR TANK Install and torque the bolts. Torque: 130 kg·cm (9 ft·lb, 13 N·m) 16. CHECK ROTOR SHAFT ROTATION CONDITION (a) Check that the rotor shaft rotates smoothly without abnormal noise. (b) Provisionally install the pulley nut and check the rotating torque. Rotating torque: Less than 2.8 kg·cm (2.4 in.·lb, 0.3 N·m) 17. INSTALL AIR CONTROL VALVE Torque: 370 kg·cm (27 ft·lb, 36 N·m)